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    <title>SEO 搜索引擎优化</title>
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<body>
    <div class="page">
        <!-- 文章标签，有内容，很重要，告诉爬虫 
        weui-article weui 框架组件
        weui-button 按钮组件
        70%左右的业务不需要自己写，直接用框架
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        <article class="weui-article">
            <!-- 整个页面最多只能用一个h1 -->
            <h1>文章页大标题</h1>
            <!-- 加入一个区块 
            html的模块化能力标签
            -->
            <section>
                <h2>二级标题</h2>
                <section>
                    <h3>三级标题</h3>
                    <section>
                        <h4>四级标题</h4>
                        <p>
                            Lorem ipsum dolor sit amet consectetur adipisicing elit. Sed quae placeat provident tempora optio fuga debitis. Debitis consequuntur incidunt modi alias facere, ut laudantium id quisquam laborum soluta corporis sit.
                        </p>
                        <p>
                            Lorem ipsum dolor sit amet consectetur adipisicing elit. Ratione exercitationem quos consectetur, similique asperiores tenetur, cupiditate architecto provident eaque illum nisi accusamus laborum quibusdam molestias! Delectus aut dolorem ipsa cupiditate.
                        </p>
                    </section>
                    <section>
                        <h4>列表示例</h4>
                        <section>
                            <h5>无序列表</h5>
                            <ul>
                                <li>
                                    Lorem ipsum dolor sit amet consectetur adipisicing elit. Corporis, quisquam eius esse quia velit ducimus obcaecati est fuga facere temporibus dolorum modi saepe enim, voluptate aperiam tenetur maxime culpa natus.
                                </li>
                                <li>
                                    Lorem ipsum dolor, sit amet consectetur adipisicing elit. Officia ea, dolorum vero corporis explicabo laudantium beatae odit ut optio veniam exercitationem, ab itaque fugiat eligendi at? Illo assumenda doloribus aspernatur?
                                </li>
                            </ul>
                        </section>
                        <section>
                            <h5>有序标签</h5>
                            <ol>
                                <li>
                                    Lorem ipsum dolor, sit amet consectetur adipisicing elit. Tempora unde laudantium quas, quae fugit reprehenderit praesentium tenetur nisi expedita perferendis maiores voluptatum aspernatur voluptate eveniet eaque nostrum. Quam, nisi eaque?
                                </li>
                                <li>
                                    Lorem ipsum dolor sit amet consectetur, adipisicing elit. Tempora dolorem saepe pariatur laudantium praesentium autem beatae quas quos nisi odio nulla officia repellat ipsa reprehenderit accusantium eveniet, voluptas at voluptatem!
                                </li>
                            </ol>
                        </section>
                    </section>
                </section>
            </section>
            <!-- 整合示例 -->
            <section>
                <h2>无障碍焦点整合示例</h2>
                <section>
                    <!-- 组件 -->
                    <p class="weui-ally-combo">

                    </p>
                </section>
            </section>
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